diff --git a/CMakeLists.txt b/CMakeLists.txt
index a4563d72..0480c368 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ project (nlopt)
 #==============================================================================
 # version
 set (NLOPT_MAJOR_VERSION "2")
-set (NLOPT_MINOR_VERSION "8")
+set (NLOPT_MINOR_VERSION "9")
 set (NLOPT_BUGFIX_VERSION "0")
 set (NLOPT_VERSION_STRING ${NLOPT_MAJOR_VERSION}.${NLOPT_MINOR_VERSION}.${NLOPT_BUGFIX_VERSION})
 message (STATUS "NLopt version ${NLOPT_VERSION_STRING}")
@@ -29,7 +29,7 @@ message (STATUS "NLopt version ${NLOPT_VERSION_STRING}")
 # This is the ABI version number, which differes from the API version above
 # (it indicates ABI compatibility), but they are typically incremented together.
 set(SO_MAJOR 0)
-set(SO_MINOR 12)
+set(SO_MINOR 13)
 set(SO_PATCH 0)
 #==============================================================================
 
diff --git a/NEWS.md b/NEWS.md
index 1c336fa7..b24945cb 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,16 +1,22 @@
 # NLopt Release Notes
 
-## NLopt 2.?
+## NLopt 2.9
 
-* New `NLOPT_LUKSAN` cmake option to build without Luksan LGPL code ([#569]).
+10 November 2024
+
+* New `NLOPT_LUKSAN` cmake option to build without Luksan LGPL code ([#568]).
 
 * Dropped unused LD_LBFGS_NOCEDAL enum value.
 
-* Python 3.13 support ([#565])
+* Python 3.13 support ([#565]).
 
 * Fixed COBYLA not returning the optimum ([#57])
 
-* Various minor bugfixes ([#570], [#368], [#563], [#504])
+* Fixed SLSQP returing infeasible optimum ([#368])
+
+* Fixed STOGO not registering new optimum ([504])
+
+* Various minor bugfixes ([#570], [#563])
 
 ## NLopt 2.8
 
@@ -477,6 +483,7 @@
 [#13]: https://github.com/stevengj/nlopt/issues/13
 [#21]: https://github.com/stevengj/nlopt/issues/21
 [#49]: https://github.com/stevengj/nlopt/issues/49
+[#57]: https://github.com/stevengj/nlopt/issues/57
 [#160]: https://github.com/stevengj/nlopt/issues/160
 [#194]: https://github.com/stevengj/nlopt/issues/194
 [#197]: https://github.com/stevengj/nlopt/issues/197
@@ -499,12 +506,14 @@
 [#355]: https://github.com/stevengj/nlopt/issues/355
 [#361]: https://github.com/stevengj/nlopt/issues/361
 [#365]: https://github.com/stevengj/nlopt/issues/365
+[#368]: https://github.com/stevengj/nlopt/issues/368
 [#409]: https://github.com/stevengj/nlopt/issues/409
 [#420]: https://github.com/stevengj/nlopt/issues/420
 [#445]: https://github.com/stevengj/nlopt/issues/445
 [#457]: https://github.com/stevengj/nlopt/issues/457
 [#465]: https://github.com/stevengj/nlopt/issues/465
 [#473]: https://github.com/stevengj/nlopt/issues/473
+[#504]: https://github.com/stevengj/nlopt/issues/504
 [#509]: https://github.com/stevengj/nlopt/issues/509
 [#510]: https://github.com/stevengj/nlopt/issues/510
 [#533]: https://github.com/stevengj/nlopt/issues/533
@@ -513,3 +522,7 @@
 [#551]: https://github.com/stevengj/nlopt/issues/551
 [#558]: https://github.com/stevengj/nlopt/issues/558
 [#561]: https://github.com/stevengj/nlopt/issues/561
+[#563]: https://github.com/stevengj/nlopt/issues/563
+[#565]: https://github.com/stevengj/nlopt/issues/565
+[#568]: https://github.com/stevengj/nlopt/issues/568
+[#570]: https://github.com/stevengj/nlopt/issues/570